<template>
  <a-layout id="components-layout-demo-side" style="min-height: 100vh">
    <a-layout-sider v-model="collapsed" collapsible>
      <div class="logo" />
      <a-menu :theme="theme" :default-selected-keys="['1']" mode="inline">
        <a-menu-item key="1" @click="itemClick('/dashboard')">
          <a-icon type="pie-chart" />
          <span>DashBoard</span>
        </a-menu-item>
        <a-menu-item key="2" @click="itemClick('/computer')">
          <a-icon type="desktop" />
          <span>设备管理</span>
        </a-menu-item>
        <a-sub-menu key="sub1">
          <span slot="title"><a-icon type="user" /><span>User</span></span>
          <a-menu-item key="3">
            Tom
          </a-menu-item>
          <a-menu-item key="4">
            Bill
          </a-menu-item>
          <a-menu-item key="5">
            Alex
          </a-menu-item>
        </a-sub-menu>
        <a-sub-menu key="sub2">
          <span slot="title"><a-icon type="team" /><span>Team</span></span>
          <a-menu-item key="6">
            Team 1
          </a-menu-item>
          <a-menu-item key="8">
            Team 2
          </a-menu-item>
        </a-sub-menu>
        <a-menu-item key="9">
          <a-icon type="file" />
          <span>File</span>
        </a-menu-item>
      </a-menu>
    </a-layout-sider>
    <a-layout>
      <a-layout-header style="background: #fff; padding: 0" />
      <a-layout-content style="margin: 0 16px">
        <a-breadcrumb style="margin: 16px 0">
<!--          <a-breadcrumb-item>User</a-breadcrumb-item>-->
<!--          <a-breadcrumb-item>Bill</a-breadcrumb-item>-->
          <a-breadcrumb-item v-for="item in breadcrumb" :key="item">{{ item }}</a-breadcrumb-item>
        </a-breadcrumb>
        <div :style="{ padding: '24px', background: '#fff', minHeight: '360px' }">
          <router-view/>
        </div>
      </a-layout-content>
      <a-layout-footer style="text-align: center">
        Ant Design ©2021 Created by Ant UED
      </a-layout-footer>
    </a-layout>
  </a-layout>
</template>
<script>
export default {
  data() {
    return {
      // 左侧导航栏自动折叠属性，默认是不折叠的。
      collapsed: false,
      // 主题配置
      theme: 'dark',
      // 路由根属性
      homePath: '/home',
      // 跳转相对路径
      path: '',
      // 面包屑定位
      breadcrumb: []
    };
  },
  created() {
    this.breadcrumb = this.$route.path.split('/');
  },
  methods: {
    itemClick(path) {
      let localPath = this.homePath + path;
      this.breadcrumb = localPath.split('/');
      // console.log(this.homePath + path);
      this.$router.push(this.homePath + path);
    },
  }
};
</script>

<style>
#components-layout-demo-side .logo {
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  margin: 16px;
}
</style>
